Zebra provisorisch erstellt lol

scripts/run_simulation.jl

@@ -5,7 +5,7 @@ include("../src/visualization.jl")
 using .Visualization
 
 N = 256
-tspan = (0.0, 5000.0)
+tspan = (0.0, 1500.0)
 
 sol = AnimalFurFHN.run_simulation(tspan, N)
 

src/solver.jl

@@ -41,7 +41,7 @@ function blocks_ic(N)
         row_end   = min(row_center + 7, N)
         col_start = max(col_center - 8, 1)
         col_end   = min(col_center + 7, N)
-        u[row_start:row_end, col_start:col_end] .= -0.534522
+        u[row_start:row_end, col_start:col_end] .= -0.01
     end
 
     safe_block!(u, p, p)
@@ -50,8 +50,8 @@ function blocks_ic(N)
 end
 
 function column_ic(N)
-    u = fill(0.534522, N, N)
-    v = fill(0.381802, N, N)
+    u = fill(0.01, N, N)
+    v = fill(0.99, N, N)
 
     col_center = div(N, 2)
     col_width = 8  # You can adjust this
@@ -59,7 +59,43 @@ function column_ic(N)
     col_start = max(col_center - div(col_width, 2), 1)
     col_end = min(col_center + div(col_width, 2) - 1, N)
 
-    u[col_start:col_end, :] .= -0.534522
+    u[col_start:col_end, :] .= -0.01
+
+    return vec(u), vec(v)
+end
+
+function two_rows_edge_distance_ic(N)
+    row_width = 8
+    distance_from_edge = 50
+    u = fill(0.01, N, N)
+    v = fill(0.99, N, N)
+
+    # --- Input Validation ---
+    if row_width <= 0 || distance_from_edge < 0
+        error("row_width must be positive and distance_from_edge must be non-negative.")
+    end
+
+    # Calculate column 1 (from the left edge)
+    col1_start = distance_from_edge + 1
+    col1_end = col1_start + row_width - 1
+
+    # Calculate column 2 (from the right edge)
+    col2_end = N - distance_from_edge
+    col2_start = col2_end - row_width + 1
+
+    # --- Further Validation for placement ---
+    if col1_end > N || col2_start < 1
+        error("Columns go out of bounds. Adjust N, row_width, or distance_from_edge.")
+    end
+    if col1_end >= col2_start # Check for overlap or touching
+        error("Columns overlap or touch. Adjust N, row_width, or distance_from_edge such that 2 * (distance_from_edge + row_width) <= N.")
+    end
+
+    # Apply the first column
+    u[:, col1_start:col1_end] .= -0.01
+
+    # Apply the second column
+    u[:, col2_start:col2_end] .= -0.01
 
     return vec(u), vec(v)
 end
@@ -79,14 +115,43 @@ function center_band_ic(N)
 end
 
 function circle_ic(N)
-    u = fill(0.534522, N, N)
-    v = fill(0.381802, N, N)
+    u = fill(0.01, N, N)
+    v = fill(0.99, N, N)
     cx, cy = div(N, 2), div(N, 2)  # center of matrix
-    radius = 0.250 * N  # circle radius = 3/4 of N divided by 2
+    radius = 0.125 * N  # circle radius = 3/4 of N divided by 2
 
     for i in 1:N, j in 1:N
         if (i - cx)^2 + (j - cy)^2 ≤ radius^2
-            u[i, j] = -0.534522
+            u[i, j] = -0.01
+        end
+    end
+
+    return vec(u), vec(v)
+end
+
+function three_circles_random_ic(N)
+    u = fill(0.01, N, N)
+    v = fill(0.99, N, N)
+    radius = 0.125 * N
+
+    # Define the bounds for random centers to ensure the circle stays within the matrix
+    min_coord = ceil(Int, radius) + 1
+    max_coord = floor(Int, N - radius)
+
+    if min_coord > max_coord
+        error("Matrix size N is too small to place circles of this radius without overlap or going out of bounds.")
+    end
+
+    for _ in 1:5 # Place 3 circles
+        # Generate random center coordinates
+        cx = rand(min_coord:max_coord)
+        cy = rand(min_coord:max_coord)
+
+        # Apply the circle to the matrix
+        for i in 1:N, j in 1:N
+            if (i - cx)^2 + (j - cy)^2 ≤ radius^2
+                u[i, j] = -0.01
+            end
         end
     end
 
@@ -94,8 +159,8 @@ function circle_ic(N)
 end
 
 function squiggle_ic(N, Lx=400.0, Ly=400.0)
-    uplus = 0.534522
-    vplus = 0.381802
+    uplus = 0.01
+    vplus = 0.99
     uminus = -uplus
 
     # Create coordinate grids
@@ -135,16 +200,16 @@ end
 """
 function run_simulation(tspan::Tuple{Float64,Float64}, N::Int)
     # Turing-spot parameters
-    p = FHNParams(N=N, dx=1.0, Du=0.00016, Dv=0.001, ϵ=0.1, a=0.5, b=0.9)
+    p = FHNParams(N=N, dx=1.0, Du=0.016, Dv=0.1, ϵ=0.1, a=0.5, b=0.9)
 
     # Initial conditions (random noise)
-    Random.seed!(1234)
+    #Random.seed!(4321)
     # Create two vectors with length N*N with numbers between 0.1 and 0.11
     #u0 = vec(0.4 .+ 0.01 .* rand(N, N))
     #v0 = vec(0.4 .+ 0.01 .* rand(N, N))
 
     # Or use this
-    u0, v0 = squiggle_ic(N)
+    u0, v0 = two_rows_edge_distance_ic(N)
 
     y0 = vcat(vcat(u0, v0))